ABB REL650 series, Applications Manual

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P
Q
STACC
RSTACC
RSTDMD
TRUE
FALSE
FALSE
CVMMXN
IEC09000106.vsd
ETPMMTR
P_INST
Q_INST
IEC09000106 V1 EN
Figure 214: Connection of energy calculation and demand handling function
ETPMMTR to the measurements function (CVMMXN)
The energy values can be read through communication in MWh and MVarh in monitoring
tool of PCM600 and/or alternatively the values can be presented on the local HMI. The
local HMI graphical display is configured with PCM600 Graphical display editor tool
(GDE) with a measuring value which is selected to the active and reactive component as
preferred. All four values can also be presented.
Maximum demand values are presented in MWh or MVarh in the same way.
Alternatively, the values can be presented with use of the pulse counters function
(PCGGIO). The output values are scaled with the pulse output setting values
EAFAccPlsQty , EARAccPlsQty , ERFAccPlsQty and ERRAccPlsQty of the energy
metering function and then the pulse counter can be set-up to present the correct values by
scaling in this function. Pulse counter values can then be presented on the local HMI in the
same way and/or sent to the SA system through communication where the total energy
then is calculated by summation of the energy pulses. This principle is good for very high
values of energy as the saturation of numbers else will limit energy integration to about
one year with 50 kV and 3000 A. After that the accumulation will start on zero again.
15.2.3 Setting guidelines
The parameters are set via the local HMI or PCM600.
The following settings can be done for the energy calculation and demand handling
function ETPMMTR:
GlobalBaseSel : Selects the global base value group used by the function to define ( IBase ),
( VBase ) and ( SBase ).
Operation : Disabled / Enabled
tEnergy : Time interval when energy is measured.
StartAcc : Disabled / Enabled is used to switch the accumulation of energy on and off.
1MRK 506 334-UUS A
Section 15
Metering
457
Application manual